28081578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{668609}}^1$

素因数の和:668621

約数の個数: 16

約数和(自身を含む): 64186560

約数和(自身を除く): 36104982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 668609, 1337218, 2005827, 4011654, 4680263, 9360526, 14040789, 28081578]

約数ペア:

[(1, 28081578), (2, 14040789), (3, 9360526), (6, 4680263), (7, 4011654), (14, 2005827), (21, 1337218), (42, 668609)]